“I have now written to the Energy Secretary, Ed Davey, to ask him what the Government will do to stop companies like Tivium abusing the Green Deal programme to mislead people and take their money under false pretences.”

A spokesman for Derbyshire Trading Standards added: “Reputable companies do not usually advertise for business by calling at your home uninvited or cold calling via the telephone.

“They’ll also explain your consumer rights which rogue traders will not do.

“If you receive an unsolicited call from any business offering this kind of scheme, our advice is to ignore it and do not agree to a visit.”

Tivium’s website states: “Tivium is no longer accepting new customers.”

• Anyone from Chesterfield who is struggling to get a refund from Tivium can contact Mr Perkins on 01246 386286. If you have a complaint or concerns about a company’s trading practices, call the Citizens’ Advice consumer service helpline on 08454 04 05 06.

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